package com.lemox.main;

public class OIOMath
{
	public static int pow_2 (int k)
	{
		int sum = 1;
		for (int i = 0; i < k; i++)
		{
			sum *= 2;
		}
		return sum;
	}
	
	/*
	 * main()
	 * */
	public static void main (String[] args)
	{
		for (int i = 0; i < 43; i++)
		{
			System.out.println(i + " " + pow_2(i));
		}
	}
}
